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<head>
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  <title>Document</title>
  <style>
    div {
      position: absolute;
      top: 0;
      left: 0;
      width: 100px;
      height: 100px;
      background-color: red;
      transition: all 0.5s;
      transform: translate(-50%, -50%);
    }
  </style>
</head>

<body>
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  <script>
    const div = document.querySelector('div')
    document.addEventListener('click', e => {
      div.style.left = e.pageX + 'px'
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</body>

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